Home / 75,086.38-112,629.48-34,555.81

Finding the Fourth Proportional to 75,086.38, 112,629.48 and 34,555.81

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Solution

The fourth proportional to 75,086.38, 112,629.48 and 34,555.81 is: 51,833.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,086.38 : 112,629.48 = 34,555.81 : x
  2. Step 2: Convert to fraction form
    75,086.38/112,629.48 = 34,555.81/x
  3. Step 3: Cross multiply
    75,086.38x = 112,629.48 × 34,555.81
  4. Step 4: Simplify right side
    75,086.38x = 3,892,002,911.28
  5. Step 5: Solve for x
    x = 3,892,002,911.28/75,086.38
  6. Step 6: Final answer
    x = 51,833.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.